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2026-06-15 - 08:19
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack6slot0.osadl.org (updated Mon Jun 15, 2026 01:03:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
627599215125,86cyclictest372-21kswapd000:05:2437
627599215125,86cyclictest372-21kswapd000:05:2437
631399199174,18cyclictest0-21swapper/3823:27:5232
631399199174,18cyclictest0-21swapper/3823:27:5232
631399199174,18cyclictest0-21swapper/3823:27:5232
630299197120,26cyclictest0-21swapper/2900:27:5822
630299197120,26cyclictest0-21swapper/2900:27:5822
630299197120,26cyclictest0-21swapper/2900:27:5822
630899184101,81cyclictest373-21kswapd100:38:5229
630899184101,81cyclictest373-21kswapd100:38:5229
630899184101,81cyclictest373-21kswapd100:38:5129
629599183122,59cyclictest372-21kswapd000:29:2116
629599183122,59cyclictest372-21kswapd000:29:2116
629599183122,59cyclictest372-21kswapd000:29:2116
630299182166,5cyclictest0-21swapper/2922:25:4622
630299182166,5cyclictest0-21swapper/2922:25:4622
630699181111,64cyclictest3545-21CPU27
630699181111,64cyclictest3545-21CPU27
630799180169,9cyclictest0-21swapper/3421:43:5728
630799180169,9cyclictest0-21swapper/3421:43:5728
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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